442080280

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{35537}}^1$

素因数の和:35859

約数の個数: 32

約数和(自身を含む): 997907040

約数和(自身を除く): 555826760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 35537, 71074, 142148, 177685, 284296, 355370, 710740, 1421480, 11052007, 22104014, 44208028, 55260035, 88416056, 110520070, 221040140, 442080280]

約数ペア:

[(1, 442080280), (2, 221040140), (4, 110520070), (5, 88416056), (8, 55260035), (10, 44208028), (20, 22104014), (40, 11052007), (311, 1421480), (622, 710740), (1244, 355370), (1555, 284296), (2488, 177685), (3110, 142148), (6220, 71074), (12440, 35537)]